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Round|Lab Grown|GIA

3.55ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 1488082996

Certificate GIA 1488082996

Diamond specifications and retailer prices

From $1,512 SGD
$1,180 USD
As of October 29, 2026
Save $4,332 SGD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,845 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.55ct lab-grown round diamond

This 3.55ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1488082996. Listed at 5 retailers as of October 29, 2026, with prices from $1,512 to $5,845, a $4,332 spread on the same certified stone. Brilliant Earth lists it at $5,845. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 1488082996
Dimensions9.88 × 9.85 × 5.94 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
9.88 mm9.85 mm3.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488082996
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,845 SGD|Low: $1,512 SGD|High: $6,165 SGD|Avg: $3,684 SGD|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4$1,512 SGD
Retailer 2$2,445 SGD
Retailer 3$5,591 SGD
Brilliant Earth$5,845 SGD

15 data points across 4 retailers

5 retailers$1,512 SGD to $5,845 SGD

A
Cheapest Retailer
-
$1,512 SGD
$1,180 USD
Final sale: no returns
B+
Retailer 2
-
$2,445 SGD
£1,502 GBP
View
B
Retailer 3
-
$3,245 SGD
$2,532 USD
View
B
Retailer 4
-
$5,591 SGD
£3,435 GBP
View
Most Expensive
B
Brilliant Earth
8686683A · Oct 29
$5,845 SGD
$4,560 USD
View
4 more retailers have this diamond
Prices start from $1,512 SGDSave up to $4,332 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.55ct Round
$1,512 SGD